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By: Williamson, William CType: ArticleIn: The Annals and magazine of natural history; zoology, botany, and geologyVolume: 17Series:Issue:Date: 1846Page Range: 467--468Publication Info: London Taylor and Francis, LtdSubjects:
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By: Williamson, William CType: CorrespondenceIn: Asa Gray correspondence. Senders Wi-WyVolume:Series:Issue:Date: 1881-12-04Page Range:Publication Info: [1833-1900]Subjects:
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By: Williamson, William CType: CorrespondenceIn: Asa Gray correspondence. Senders Wi-WyVolume:Series:Issue:Date: 1882-07-17Page Range:Publication Info: [1833-1900]Subjects:
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By: Williamson, William CType: CorrespondenceIn: Asa Gray correspondence. Senders Wi-WyVolume:Series:Issue:Date: 1882-10-11Page Range:Publication Info: [1833-1900]Subjects:
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By: Williamson, William CType: CorrespondenceIn: Asa Gray correspondence. Senders Wi-WyVolume:Series:Issue:Date: 1886-10-02Page Range:Publication Info: [1833-1900]Subjects:
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By: Williamson, William CType: CorrespondenceIn: Asa Gray correspondence. Senders Wi-WyVolume:Series:Issue:Date: 1887-10-28Page Range:Publication Info: [1833-1900]Subjects:
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By: Williamson, William C - Boomker, J.Type: ArticleIn: Journal of the Lepidopterists' SocietyVolume: 34Series:Issue:Date: 1981Page Range: 295--301Publication Info: [New Haven, Conn.] Lepidopterists' Society 1959-Subjects: